Home / 82,353.57-123,530.34-26,193.80

Finding the Fourth Proportional to 82,353.57, 123,530.34 and 26,193.80

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Solution

The fourth proportional to 82,353.57, 123,530.34 and 26,193.80 is: 39,290.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,353.57 : 123,530.34 = 26,193.80 : x
  2. Step 2: Convert to fraction form
    82,353.57/123,530.34 = 26,193.80/x
  3. Step 3: Cross multiply
    82,353.57x = 123,530.34 × 26,193.80
  4. Step 4: Simplify right side
    82,353.57x = 3,235,728,402.24
  5. Step 5: Solve for x
    x = 3,235,728,402.24/82,353.57
  6. Step 6: Final answer
    x = 39,290.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.